Finding the Fourth Proportional to 664,135,730.40, 996,203,595.60 and 295,669,970.40
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Solution
The fourth proportional to 664,135,730.40, 996,203,595.60 and 295,669,970.40 is: 443,504,955.60
Step by Step Solution
- Step 1: Write the proportion equation
664,135,730.40 : 996,203,595.60 = 295,669,970.40 : x - Step 2: Convert to fraction form
664,135,730.40/996,203,595.60 = 295,669,970.40/x - Step 3: Cross multiply
664,135,730.40x = 996,203,595.60 × 295,669,970.40 - Step 4: Simplify right side
664,135,730.40x = 294,547,487,623,425,536 - Step 5: Solve for x
x = 294,547,487,623,425,536/664,135,730.40 - Step 6: Final answer
x = 443,504,955.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.